Volumetric Data Connecting Apparatus and Method

1. A volumetric data connecting apparatus comprising: a reference point determining device for having an operator determine reference points A, B and C which are not on the same straight line on first volumetric data V; a connection points ab determining device for having the operator determine a connection point a corresponding to said reference point A and a connection point b corresponding to said reference point B on a second volumetric data v; an auxiliary lines rt displaying device for displaying a section fc of the second volumetric data v selected by the operator, a curve r which results from the crossing of said section fc and a spherical surface R having (the distance between the reference points AC)×(the distance between the connection points ab)÷(the distance between the reference points AB) as its radius and the connection point a as its center, and a curve t which results from the crossing of said section fc and a spherical surface T having (the distance between the reference points BC)×(the distance between the connection points ab)÷(the distance between the reference points AB) as its radius and the connection point b as its center; a connection point c determining device for having the operator determine a connection point c corresponding to said reference point C on said section fc; and a coordinate adjusting device for adjusting the coordinates of said first volumetric data V and said second volumetric data v such that said reference points A, B and C and said connection points a, b and c have respectively the same coordinates.

2. The volumetric data connecting apparatus according to claim 1 , further comprising an intersection displaying device for displaying the section fc of the second volumetric data v selected by the operator and the intersection between the curve r and the curve t.

3. The volumetric data connecting apparatus according to claim 1 , wherein said second volumetric data v comprises a plurality of frames and said section fc is one of the frames.

4. The volumetric data connecting apparatus according to claim 1 , further comprising a volumetric data capturing device for capturing from outside said first volumetric data V and said second volumetric data v.

5. The volumetric data connecting apparatus according to claim 1 , further comprising a volumetric data capturing device for capturing from an image diagnostic apparatus said first volumetric data V and said second volumetric data v.

6. A volumetric data connecting method comprising: a reference point determining step for having an operator determine reference points A, B and C which are not on the same straight line on first volumetric data V; a connection points ab determining step for having the operator determine a connection point a corresponding to said reference point A and a connection point b corresponding to said reference point B on second volumetric data v; an auxiliary lines rt displaying step for displaying a section fc of the second volumetric data v selected by the operator, a curve r which results from the crossing of said section fc and a spherical surface R having (the distance between the reference points AC)×(the distance between the connection points ab)÷(the distance between the reference points AB) as its radius and the connection point a as its center, and a curve t which results from the crossing of said section fc and a spherical surface T having (the distance between the reference points BC)×(the distance between the connection points ab)÷(the distance between the reference points AB) as its radius and the connection point b as its center; a connection point c determining step for having the operator determine a connection point c corresponding to said reference point C on said section fc; and a coordinate adjusting step for adjusting the coordinates of said first volumetric data V and said second volumetric data v such that said reference points A, B and C and said connection points a, b and c have respectively the same coordinates.

7. The volumetric data connecting method according to claim 6 , further comprising an intersection displaying step for displaying the section fc of the second volumetric data v selected by the operator and the intersection between the curve r and the curve t.

8. The volumetric data connecting method according to claim 6 , wherein said second volumetric data v comprises a plurality of frames and said section fc is one of the frames.

9. The volumetric data connecting method according to claim 6 , further comprising a volumetric data capturing step for capturing from outside said first volumetric data V and said second volumetric data v.

10. The volumetric data connecting method according to claim 6 , further comprising a volumetric data capturing step for capturing by an image diagnostic method said first volumetric data V and said second volumetric data v.

11. A volumetric data connecting apparatus comprising: a reference point determining device for having an operator determine reference points A, B and C which are not on the same straight line on first volumetric data V; a connection point a determining device for having the operator determine a connection point a corresponding to said reference point A on second volumetric data v; an auxiliary line q displaying device for displaying a section fb of the second volumetric data v selected by the operator and a curve q which results from the crossing of said section fb and a spherical surface Q having the distance between the reference points AB as its radius and the connection point a as its center; a connection point b determining device for having the operator determine a connection point b corresponding to said reference point B on said section fb; an auxiliary lines rt displaying device for displaying a section fc of the second volumetric data v selected by the operator, a curve r which results from the crossing of said section fc and a spherical surface R having the distance between the reference points AC as its radius and the connection point a as its center and a curve t which results from the crossing of said section fc and a spherical surface T having the distance between the reference points BC as its radius and the connection point b as its center; a connection point c determining device for having the operator determine a connection point c corresponding to said reference point C on said section fc; and a coordinate adjusting device for adjusting the coordinates of said first volumetric data V and said second volumetric data v such that said reference points A, B and C and said connection points a, b and c have respectively the same coordinates.

12. The volumetric data connecting apparatus according to claim 11 , further comprising an intersection displaying device for displaying the section fc of the second volumetric data v selected by the operator and the intersection between the curve r and the curve t.

13. The volumetric data connecting apparatus according to claim 11 , wherein said second volumetric data v comprises a plurality of frames and each of said sections fb and fc is one of the frames.

14. The volumetric data connecting apparatus according to claim 11 , further comprising a volumetric data capturing device for capturing from outside said first volumetric data V and said second volumetric data v.

15. The volumetric data connecting apparatus according to claim 11 , further comprising a volumetric data capturing device for capturing from an image diagnostic apparatus said first volumetric data V and said second volumetric data v.

16. A volumetric data connecting method comprising: a reference point determining step for having an operator determine reference points A, B and C which are not on the same straight line on first volumetric data V; a connection point a determining step for having the operator determine a connection point a corresponding to said reference point A on second volumetric data v; an auxiliary line q displaying step for displaying a section fb of the second volumetric data v selected by the operator and a curve q which results from the crossing of said section fb and a spherical surface Q having the distance between the reference points AB as its radius and the connection point a as its center; a connection point b determining step for having the operator determine a connection point b corresponding to said reference point B on said section fb; an auxiliary lines rt displaying step for displaying a section fc of the second volumetric data v selected by the operator, a curve r which results from the crossing of said section fc and a spherical surface R having the distance between the reference points AC as its radius and the connection point a as its center and a curve t which results from the crossing of said section fc and a spherical surface T having the distance between the reference points BC as its radius and the connection point b as its center; a connection point c determining step for having the operator determine a connection point c corresponding to said reference point C on said section fc; and a coordinate adjusting step for adjusting the coordinates of said first volumetric data V and said second volumetric data v such that said reference points A, B and C and said connection points a, b and c have respectively the same coordinates.

17. The volumetric data connecting method according to claim 16 , further comprising an intersection displaying step for displaying the section fc of the second volumetric data v selected by the operator and the intersection between the curve r and the curve t.

18. The volumetric data connecting method according to claim 16 , wherein said second volumetric data v comprises a plurality of frames and each of said sections fb and fc is one of the frames.

19. The volumetric data connecting method according to claim 16 , further comprising a volumetric data capturing step for capturing from outside said first volumetric data V and said second volumetric data v.

20. The volumetric data connecting method according to claim 16 , further comprising a volumetric data capturing step for capturing by an image diagnostic method said first volumetric data V and said second volumetric data v.